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chem lab exp. 5(ii)

chem lab exp. 5(ii) - P u rpose Determine the rate law for...

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Purpose: Determine the rate law for the reaction of oxalic acid with potassium permanganate using a colorimetric analysis. Procedure: Lab procedure is referred to the lab manual for Experiment #5 – Kinetics I Data: Table 1 : Data for Experiment #1 Conditions T=24.2 [H 2 C 2 O 4 ] Time (s) Rate 1 =[KMnO 4 ]/ti me Trial 1 0.0108 0.3146 327 3.303 X 10 -5 Trial 2 0.0108 0.3146 308 3.506 X 10 -5 Trial 3 0.0108 0.3146 311 3.473 X 10 -5 Trial 4 0.0108 0.3146 318 3.396 X 10 -5 Trial 5 0.0108 0.3146 307 3.518 X 10 -5 Average Rate 3.497 X 10 -5 Standard Deviation 8.765 X 10 -6 95% confidence, λ ±1.088 X 10 -5 Table 2 : Data for Experiment #2 Conditions T = 24.0 [H 2 C 2 O 4 ] Time (s) Rate 2 =[KMnO 4 ]/ti me Trial 1 0.0108 0.6292 147 7.347 X 10 -5 Trial 2 0.0108 0.6292 140 7.714 X 10
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